| Opava to Ciampino | 617.10 mi (993.12 km) |
| Opava to Cicciano | 640.86 mi (1,031.36 km) |
| Opava to Cingoli | 505.30 mi (813.20 km) |
| Opava to Cinisello Balsamo | 504.29 mi (811.58 km) |
| Opava to Cinisi | 847.13 mi (1,363.33 km) |
| Opava to Cirie | 578.99 mi (931.79 km) |
| Opava to Ciro Marina | 731.21 mi (1,176.77 km) |
| Opava to Cislago | 509.24 mi (819.54 km) |
| Opava to Cisterna di Latina | 626.13 mi (1,007.65 km) |
| Opava to Cisternino | 636.40 mi (1,024.18 km) |
| Opava to Citta di Castello | 521.41 mi (839.13 km) |
| Opava to Citta Sant'Angelo | 544.67 mi (876.56 km) |
| Opava to Cittadella | 410.23 mi (660.20 km) |
| Opava to Cittanova | 805.67 mi (1,296.60 km) |
| Opava to Cividale del Friuli | 336.06 mi (540.83 km) |
